package main

import "fmt"

func main0301() {
	a := 10
	b := 123.456
	c := "汪德志"
	fmt.Println(a+10)
	fmt.Println(b+3.14)
	fmt.Println(c)
}

func main() {
	a := 10
	b := 20

	c := a
	a = b
	b = c
	fmt.Println(a)
	fmt.Println(b)
}

